Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions)
A current I = 3.36 (1+2 t) × 10^−2 A increase at a steady state in a long staight wire. A small circular loop of radius 10−3 m has its plane parallel to the wire and is placed at a distance of 1 m from the wire. The resistance of loop is 8.4 × 10^−4 (Ω). Find the approximate value of induced current in the loop.
20
Oct
A current I = 3.36 (1+2 t) × 10^−2 A increase at a steady state in a long staight wire. A small circular loop of radius 10−3 m has its plane parallel to the wire and is placed at a distance of 1 m from the wire. The resistance of loop is 8.4 × 10^−4 [...]
A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will
20
Oct
A ring of radius R is rolling on a horizontal plane with constant velocity v. There is a constant and uniform magnetic field B which is perpendicular to the plane of the ring. Emf across the lowest point A and right-most point C as shown in the figure will -q A metallic square loop PQRS [...]
Consider parallel conducting rails separated by a distance l. There exists a uniform magnetic field B perpendicular to the plane of the rails as shown in Fig. Two conducting wires each of length l are placed so as to slide on parallel conducting rails. One of the wires is given a velocity v0 parallel to the rails. Till steady state is achieved, loss in kinetic energy of the system is
20
Oct
Consider parallel conducting rails separated by a distance l. There exists a uniform magnetic field B perpendicular to the plane of the rails as shown in Fig. Two conducting wires each of length l are placed so as to slide on parallel conducting rails. One of the wires is given a velocity v0 parallel to [...]
Assuming that the resistance of the meters are negligible, what will be the readings of the ammeters A1 and A2 in the circuit shown in figure ?
20
Oct
Assuming that the resistance of the meters are negligible, what will be the readings of the ammeters A1 and A2 in the circuit shown in figure ? Assuming that the resistance of the meters are negligible what will be the readings of the ammeters A1 and A2 in the circuit shown in figure ? October [...]
Find the current through the circuit and the potential difference across the diode shown in figure. The drift current for the diode is 20 micro A.
20
Oct
Find the current through the circuit and the potential difference across the diode shown in figure. The drift current for the diode is 20 micro A. Find the current through the circuit and the potential difference across the diode shown in figure. The drift current for the diode is 20 micro A. October 20, 2020 [...]
The silicon diode shown in figure is rated for a maximum current of 10 mA. Calculate the minimum value of resistor R. Assume the forward voltage drop across the diode to be 0.7 V.
20
Oct
The silicon diode shown in figure is rated for a maximum current of 10 mA. Calculate the minimum value of resistor R. Assume the forward voltage drop across the diode to be 0.7 V. The silicon diode shown in figure is rated for a maximum current of 10 mA. Calculate the minimum value of resistor [...]
The volt-ampere characteristic of a silicon diode is shown in figure. Determine the resistance of the diode at (1) ID = 20 mA and (2) VD = -10 V.
20
Oct
The volt-ampere characteristic of a silicon diode is shown in figure. Determine the resistance of the diode at (1) ID = 20 mA and (2) VD = -10 V. The volt-ampere characteristic of a silicon diode is shown in figure. Determine the resistance of the diode at (1) ID = 20 mA and (2) VD [...]
When a forward bias is applied to a p-n junction, it : (a) raises the potential barrier (b) reduces the majority carrier current to zero.
20
Oct
When a forward bias is applied to a p-n junction, it : (a) raises the potential barrier (b) reduces the majority carrier current to zero. it : (a) raises the potential barrier (b) reduces the majority carrier current to zero. When a forward bias is applied to a p-n junction October 20, 2020 Category: Uncategorised [...]
A rod closing the circuit shown in Fig moves along a U shaped wire at a constant speed v under the action of the force F. The circuit is in a uniform magnetic field perpendicular to the plane. Calculate F if the rate of heat generation in the circuit is Q.
20
Oct
A rod closing the circuit shown in Fig moves along a U shaped wire at a constant speed v under the action of the force F. The circuit is in a uniform magnetic field perpendicular to the plane. Calculate F if the rate of heat generation in the circuit is Q. -q A metallic square [...]
Two infinitely long conducting parallel rails are connected through a capacitor C as shown in Fig. A conductor of length l is moved with constant speed v0. Which of the following graph truly depicts the variation of current through the conductor with time?
20
Oct
Two infinitely long conducting parallel rails are connected through a capacitor C as shown in Fig. A conductor of length l is moved with constant speed v0. Which of the following graph truly depicts the variation of current through the conductor with time? -q A metallic square loop PQRS is moving in its own plane [...]